dawidwys commented on a change in pull request #8018: [FLINK-11884][table]
Separate creation and validation of LogicalNodes from TableImpl
URL: https://github.com/apache/flink/pull/8018#discussion_r269530410
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File path:
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/api/TableEnvironment.scala
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@@ -111,9 +112,11 @@ abstract class TableEnvironment(val config: TableConfig) {
private val externalCatalogs = new mutable.HashMap[String, ExternalCatalog]
// temporary bridge between API and planner
- private[flink] val expressionBridge: ExpressionBridge[PlannerExpression] =
+ protected val expressionBridge: ExpressionBridge[PlannerExpression] =
new ExpressionBridge[PlannerExpression](functionCatalog,
PlannerExpressionConverter.INSTANCE)
+ private[flink] val operationTreeBuilder = new OperationTreeBuilder(this)
Review comment:
Yes, totally agree. We will need only table lookup from `TableEnvironment`.
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